Because the Al-Qaeda terrorists who hijacked the plane, took the controls and intentionally flew the commercial passenger jet into the Pentagon because it is the Headquarters for the U.S. Department of Defense. The hijackers intended to strike a blow at, or even cripple America's military, and hit key targets that represented America's strength world-wide. It is likely that the terrorists also wanted to instill fear in Americans by showing that they could be hit, even at such an allegedly secure facility.
The Pentagon was really high and the plane drivers did not see it
American Airlines Flight 77 crashed into the western side of the Pentagon at 9:37 AM EST. Parts of the building collapsed at 10:10 AM EST. The flight was scheduled to fly from Dulles, Virginia to Los Angeles, California.
The terrorists crashed planes into the Twin Towers, a plane hit the pentagon, and a plane that was scheduled to hit the White House, crashed in a small field in Pennsylvania.
the pentagon was hit on the south side.
The Pentagon was hit at 9:37 a.m. 9/11, 2001.
the third plane hit the pentagon and the fourth landed on a field in Pennsylvania
it hit the pentagon but it didn't totally destroy it.
the third plan in the attacks of 9/11 hit the naval section of the Pentagon.
American Airlines Flight 77, which hit the Pentagon, was the third plane to crash that day. The crashes into both of the twin towers happened first, and then the one that crashed in Pennsylvania was the last one.
Boeing 757plane hit the pentagon.
The Pentagon is a pentagonal shaped building near D.C. A plane hit the Pentagon, and the Twin Towers on September 11th, 2001.
Two planes hit the Twin Towers of the World Trade Center in New York. The third plane hit the Pentagon and a fourth plane was supposed to hit the White House or Capital, but crashed in a Pennsylvanian field.
The Pentagon was really high and the plane drivers did not see it
2 planes hit the North and South towers of the WTC and one "plane" hit the pentagon. There was a fourth plane but it "crashed" in a Pennsylvania field. This happened in NY!
becouse i do not know
The plane was going at 402 miles an hour full speed at the pentagon.
Two planes hit the Twin Towers of the World Trade Center in New York. The third plane hit the Pentagon and a fourth plane was supposed to hit the White House or Capitol, but crashed in a Pennsylvanian field.